#include<iostream>
#include<string>
using namespace std;
int main()
{
    string str = "D:\hello\world\test.text";
    cout << str << endl;
    string str1 = "D:\\hello\\world\\test.text";
    cout << str1 << endl;
    //xxx必须相等
    string str2 = R"xxx(D:\hello\world\test.text)xxx";
    cout << str2 << endl;
    return 0;
}
